20-y=7

Simple and best practice solution for 20-y=7 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 20-y=7 equation:


Simplifying
20 + -1y = 7

Solving
20 + -1y = 7

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-20' to each side of the equation.
20 + -20 + -1y = 7 + -20

Combine like terms: 20 + -20 = 0
0 + -1y = 7 + -20
-1y = 7 + -20

Combine like terms: 7 + -20 = -13
-1y = -13

Divide each side by '-1'.
y = 13

Simplifying
y = 13

See similar equations:

| 15x+30(x-5)=345 | | 15x+309x-50=345 | | (y-1)(y+5)(y+2)=0 | | 3150/6 | | 9x-13=6x+13 | | 3+sinx= | | 2x+33=9x-2 | | 20X+200Y=300 | | 75X+98=20156 | | 8n=n^2+15 | | g(x)=7x^2 | | 2(10-x)=x-2 | | 9u/11-u/2 | | x^3-9x^2+24x=0 | | f(x)=3x^2+2 | | -36-4/93 | | y=9x-11 | | 5x+2(-2)=1 | | x=25-40 | | -0.6x^5-4x^3+4x=0 | | 5x+2(2)=1 | | =-0.6x^5-4x^3+4x | | 4x^2-20x+9=(2x-9)(2x-1) | | 3x^2-14x+14=0 | | 16x+39+2x=-12+x | | cos^2x= | | -5(3x+8)=5x+2 | | x^2+y^2=4+3xy | | x^2+y^2=4-3xy | | x^2-3xy-2y^2=4 | | 17x-15=3x-2+4x | | I^10= |

Equations solver categories